About Plain Circuit
Clear guides to VPNs, smart homes, AI, wearables and online privacy for people who just want to understand their technology.
Who this site is for
Everyday people who use phones, smart devices and online services and want clear, balanced explanations.
How the guides are written
- Answer first. Each guide leads with the direct answer, then explains the why and the how.
- Practical numbers. Concrete values you can use, with ranges rather than false precision.
- Connected, not repeated. Short, focused articles link to the in-depth guide for their topic, so you can go as deep as you need.
- Dated. Every article shows when it was published.
Please note
Content here is general information, not advice; for security, privacy, health or money decisions consult a qualified professional.